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3 years ago

“40% of what number is 34?”

Mathematics

2 answers:

zepelin [54]3 years ago

4 0

85. i provided a picture just incase you needed your work shown.

NeX [460]3 years ago

4 0

You have to cross multiply to get your answer 40x=34
40x=3400
3400 divided by 40
x= 85

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Give the first 4 terms of a sequence who has the explicit formula an = 4n – 13

andreev551 [17]

Step-by-step explanation:

from,

An = 4n -13

A1 = 4 (1) - 13

> A1 = -9

A2 = 4(2) - 13

> A2 = -5

A3 = 4(3) - 13

> A3 = -1

A4 = 4(4) - 13

> A4 = 3

5 0

3 years ago

A furniture factory can box a desk chair in 15 seconds. What is the rate per minute?

Serggg [28]

60 ÷ 15 = 4

Answer = C

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3 years ago

Please helpppp!!!will mark brainlyist

user100 [1]

The answer is CB, AC, and AB

4 0

3 years ago

Find the error & find the correct answer 2In(x)=In(3x)-[In(9)-2In(3)] In(x^2)=In(3x)-[In(9)-In(9)] In(x^2)=In(3x)-0 In(x^2)=

Art [367]

Answer:

Error: $lnx^2=ln 3x$ not $ln\frac{3x}{0}$

Solution:x=0 and 3

Step-by-step explanation:

We have to find the error and correct answer

Given: $2ln x=ln(3x)-[ln9-2ln(3)]$

$lnx^2=ln(3x)-[ln9-ln3^2]$

Using the formula

$alog b=logb^a$

$lnx^2=ln(3x)-[ln9-ln9]$

$lnx^2=ln(3x)-0$

$lnx^2=ln(3x)$

$x^2=3x$

$x^2-3x=0$

$x(x-3)=0$

Therefore, x=0 and x=3

But last step in the given solution

$lnx^2=ln\frac{3x}{0}=\infty$

It is wrong this property is used when

$log m-log n$ then

$log\frac{m}{n}$

Hence, the student wrote $lnx^2=ln\frac{3x}{0}$ instead of $lnx^2=ln3x$ and solution is given by

x=0 and x=3

4 0

3 years ago

23rd term: -4,-7,-10,-13

Mashutka [201]

5 : -16
6 : -19
7 : -22
8 : -25
9 : -28
10: -31
11 : -34
12: -37
13: -40
14 : -43
15 : -46
16 : - 49
17 : - 52
18 : - 55
19 : - 58
20: - 61
21 : - 64
22: -67
23: -70

23rd term : is -70

3 0

3 years ago